function bin2char(b) {
    let s = 0;
    b.split('').map(function (val) {
        s = 2 * s;
        if (val === '1') s++;
    });
    return String.fromCharCode(s);
}

function binaryAgent(str) {
    return str.split(' ').map(bin2char).join('');
}

console.log(
    binaryAgent("01000001 01110010 01100101 01101110 00100111 01110100 00100000 01100010 01101111 01101110 01100110 01101001 01110010 01100101 01110011 00100000 01100110 01110101 01101110 00100001 00111111")
)
;